Truck crossings into the U.S. from Canada and Mexico fell by 4.2% between 2000 and 2001, according to statistics from DOT's Bureau of Transportation. This is the first decline since the North American Free Trade Agreement (NAFTA) took effect in 1994. Total truck crossings (not individual vehicles) into the U.S. dropped from 11.6 million in 2000 to 11.1 million in 2001. Truck crossings from Canada fell from more than 7 million to 6.8 million. Crossings from Mexico fell from more than 4.5 million to 4.3 million. The three steepest percentage drops were in Michigan, Texas and Washington.